Home / 13,690,680.06-18,892,389.99-7,494,528.11

Finding the Fourth Proportional to 13,690,680.06, 18,892,389.99 and 7,494,528.11

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Solution

The fourth proportional to 13,690,680.06, 18,892,389.99 and 7,494,528.11 is: 10,342,039.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,690,680.06 : 18,892,389.99 = 7,494,528.11 : x
  2. Step 2: Convert to fraction form
    13,690,680.06/18,892,389.99 = 7,494,528.11/x
  3. Step 3: Cross multiply
    13,690,680.06x = 18,892,389.99 × 7,494,528.11
  4. Step 4: Simplify right side
    13,690,680.06x = 141,589,547,845,137.62
  5. Step 5: Solve for x
    x = 141,589,547,845,137.62/13,690,680.06
  6. Step 6: Final answer
    x = 10,342,039.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.